linux-kernel - Re: [PATCH] include/linux/slab.h: new KFREE() macro.

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Date:	Mon, 8 Jan 2007 10:00:41 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Hua Zhong" <hzhong@...il.com>
Cc:	"Amit Choudhary" <amit2030@...oo.com>,
	"Christoph Hellwig" <hch@...radead.org>,
	"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] include/linux/slab.h: new KFREE() macro.

On 1/8/07, Hua Zhong <hzhong@...il.com> wrote:
> > And as I explained, it can result in longer code too. So, why
> > keep this value around. Why not re-initialize it to NULL.
>
> Because initialization increases code size.

And it also effectively blocks the slab debugging code from doing its
job detecting double-frees.
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